K70 datasheet(2/68 Pages) ALTECH

2 / 68 page

TERMINALS

Pressure Plate terminals with either fixed or pluggable terminal-

to-board connections are offered in the K70 enclosures. The

pressure plate, which is captive to the terminal screw,

automatically rises when the screw is loosened. One or two

wires of equal or different sizes up to 2.5mm2 (14 AWG) can be

terminated in each terminal. The grooved corners of the

pressure plate ensure positive wire retention. The flat bottom of

the terminal extends to the inside of the enclosure and provides

the terminal-to-board connection. The terminal screws can be

turned by a flat tip or a #2 Phillips screwdriver.

Upon request, terminals can be loaded in selected positions

only.

TERMINAL-TO-BOARD CONNECTIONS

The K70 series offers fixed and pluggable terminal-to-board

connection possibilities.

Fixed Connections

Fixed terminal-to-board connections can be made by Wire

Jumper, Fast On tabs or Machine Solderable Pins (K7022.5C

only).

Fast On tabs, (2.8 x 0.8 mm) accept industry standard Fast On

connectors crimped onto wire jumpers.

Wire Jumper connections can also be made by soldering a

wire jumper between the center holes of the Fast On tab and

the printed circuit board(s).

Machine Solderable Pins (offered only with type

K7022.5C) can be removed from the enclosure and machine

soldered to the board in the same step as other components,

saving assembly time.

Pluggable Connections

Pluggable terminal-to-board connections are made by using

Card Edge connectors. They are an integral part of the covers

of K7075P, K70100P and K70150P and plug directly onto the

board(s).

Solder Pins are also provided in these enclosures for

terminal-to-board connections when mounting an additional

board directly behind the front cover. A

Wire Jumper can be

soldered to these pins as well.

For better retention,

the plug-in type

covers have captive

screws at the corners

that insert into brass

bushings, molded

into the housing

shell. The pluggable

versions are ideal

whenever quick

connections and

replacement are

important. They also

reduce the danger of

misconnected wires

and downtime.

MOUNTING

The K70 Enclosures mount easily by snapping onto standard

35mm DIN Rail. Many can also be panel mounted using corner

mounting holes which accept two M4 or M5 (#6 or #10)

screws. These mounting holes are molded into two corners of

the housing shell base and do not increase the height or width

of the enclosure, thus insuring a compact, high density

arrangement when multiple enclosures are installed adjacent to

each other. Enclosure types K7022.5A, K7022.5B and

K7022.5C have two integral pull-out tabs on the base of the

enclosure for panel mounting. (Refer to Enclosure Mounting

Procedures on page 19.)

MARKING

The K70 enclosures have an area on the front of the cover for

marking and mounting of components such as switches,

potentiometers, LEDs or LCD indicators. Custom imprinted

plates can be inserted as well, allowing imprinting of plates

separate from the enclosure, reducing cost and delays.

ACCESSORIES

• 35 x 7.5 mm DIN Rail

• Terminal Covers

• Pull-Out Panel Mounting Tabs.

CUSTOMIZATION

Enclosures can be

customized with cutouts

and holes for

potentiometers, switches,

LEDs, LCDs and other

devices. Using state of the

art machining, we can

punch, drill or cut to your

most exacting

specifications. Custom

colors and special markings

are also available. Please let

us know what your

requirements are.

Altech Corp.® • 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com

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